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<script type="text/javascript">

function SetCookie(name,value)//两个参数，一个是cookie的名子，一个是值

{

   var Days = 30; //此 cookie 将被保存 30 天

   var exp = new Date();    //new Date("December 31, 9998");

   exp.setTime(exp.getTime() + Days2460601000);

   document.cookie = name + "="+ escape (value) + ";expires=" + exp.toGMTString();

}

  function getCookie(name)//取cookies函数

{

   var arr = document.cookie.match(new RegExp("(^| )"+name+"=([^;]*)(;|$)"));

   if(arr != null) return unescape(arr[2]); return null;

}

</script>